Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
This studio is built around Phoenix's own rule corpus, not a blank editor. Search by title or rule id, choose a live sigma-cli backend, then reveal pipelines only when you actually need them.
Indexed Rules
3,707
Ready to search
Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
External Remote SMB Logon from Public IP
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
External Remote SMB Logon from Public IP
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: External Remote SMB Logon from Public IP
id: 78d5cab4-557e-454f-9fb9-a222bd0d5edc
related:
- id: 259a9cdf-c4dd-4fa2-b243-2269e5ab18a2
type: derived
status: test
description: Detects successful logon from public IP address via SMB. This can indicate a publicly-exposed SMB port.
references:
- https://www.inversecos.com/2020/04/successful-4624-anonymous-logons-to.html
- https://twitter.com/Purp1eW0lf/status/1616144561965002752
author: Micah Babinski (@micahbabinski), Zach Mathis (@yamatosecurity)
date: 2023-01-19
modified: 2024-03-11
tags:
- attack.privilege-escalation
- attack.persistence
- attack.defense-evasion
- attack.initial-access
- attack.credential-access
- attack.t1133
- attack.t1078
- attack.t1110
logsource:
product: windows
service: security
detection:
selection:
EventID: 4624
LogonType: 3
filter_main_local_ranges:
IpAddress|cidr:
- '::1/128' # IPv6 loopback
- '10.0.0.0/8'
- '127.0.0.0/8'
- '172.16.0.0/12'
- '192.168.0.0/16'
- '169.254.0.0/16'
- 'fc00::/7' # IPv6 private addresses
- 'fe80::/10' # IPv6 link-local addresses
filter_main_empty:
IpAddress: '-'
condition: selection and not 1 of filter_main_*
falsepositives:
- Legitimate or intentional inbound connections from public IP addresses on the SMB port.
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/builtin/security/account_management/win_security_successful_external_remote_smb_login.yml